Solanum nigrum is not as scary as everyone worried, if potatoes are only slightly green, germination very little, there is no obvious bitter taste, eat a bit also not necessarily toxic, and, as far as possible to do the following points can also remove most of the Solanum nigrum:

1. Peel. Solanum nigrum in the potato epidermis and shoots the most, the highest content, so, if the potatoes become green or germination, you eat first peel, while digging to the germination area around 1--2 cm thick, to remove the discoloration of the part, so that the basic of the Solanum.

2. Washed. Solanum nigrum soluble in water, water immersion cleaning can also remove most of the Solanum nigrum, so, when eating potatoes can be sliced or silk, and then soaked with cold water for more than half an hour.

3. Full cooking and vinegar treatment. Solanum nigrum is a kind of alkaloid, it is afraid of heat, also bubble acid, so, eat potatoes when fully heated and ripe, can degrade most of the Solanum nigrum, if more vinegar, the effect is better.